Finding the Third Proportional to 60,315 and 131,358

Step by Step Solution

1. Step 1: Write the proportion equation
   60,315 : 131,358 = 131,358 : x
2. Step 2: Convert to fraction form
   60,315/131,358 = 131,358/x
3. Step 3: Cross multiply
   60,315x = 131,358 × 131,358
4. Step 4: Simplify right side
   60,315x = 17,254,924,164
5. Step 5: Solve for x
   x = 17,254,924,164/60,315
6. Step 6: Final answer
   x = 286,080.15